28947105

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 56989440

約数和(自身を除く): 28042335

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 101, 135, 165, 193, 297, 303, 495, 505, 579, 909, 965, 1111, 1485, 1515, 1737, 2123, 2727, 2895, 3333, 4545, 5211, 5555, 6369, 8685, 9999, 10615, 13635, 16665, 19107, 19493, 26055, 29997, 31845, 49995, 57321, 58479, 95535, 97465, 149985, 175437, 214423, 286605, 292395, 526311, 643269, 877185, 1072115, 1929807, 2631555, 3216345, 5789421, 9649035, 28947105]

約数ペア:

[(1, 28947105), (3, 9649035), (5, 5789421), (9, 3216345), (11, 2631555), (15, 1929807), (27, 1072115), (33, 877185), (45, 643269), (55, 526311), (99, 292395), (101, 286605), (135, 214423), (165, 175437), (193, 149985), (297, 97465), (303, 95535), (495, 58479), (505, 57321), (579, 49995), (909, 31845), (965, 29997), (1111, 26055), (1485, 19493), (1515, 19107), (1737, 16665), (2123, 13635), (2727, 10615), (2895, 9999), (3333, 8685), (4545, 6369), (5211, 5555)]